Home / 352,512,007.70-528,768,011.55-243,672,890.90

Finding the Fourth Proportional to 352,512,007.70, 528,768,011.55 and 243,672,890.90

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Solution

The fourth proportional to 352,512,007.70, 528,768,011.55 and 243,672,890.90 is: 365,509,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,007.70 : 528,768,011.55 = 243,672,890.90 : x
  2. Step 2: Convert to fraction form
    352,512,007.70/528,768,011.55 = 243,672,890.90/x
  3. Step 3: Cross multiply
    352,512,007.70x = 528,768,011.55 × 243,672,890.90
  4. Step 4: Simplify right side
    352,512,007.70x = 128,846,429,989,833,088
  5. Step 5: Solve for x
    x = 128,846,429,989,833,088/352,512,007.70
  6. Step 6: Final answer
    x = 365,509,336.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.